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Project Example – SONET/SDH byte processing IP


Our customer is a worldwide trusted expert in wireless transport. Their existing plugin cards have become end-of-life and require a redesign/modernization.

Customer Objectives

To replace the existing ASIC functionality in the plugin cards with equivalent functionality based on commercially available FPGA technology.

  • Redesign the existing E1/DS1 interfaces, muxed/demuxed, into a new STM1 optical interface.
  • Replace existing STM1 multiplexing/interfacing functionality.
  • Allow customers to add their own logic without revealing each others IP.
  • Prevent duplication of code so customers can have access to AimValley building blocks.

AimValley Solution

Design of a working FPGA solution with partially encrypted IP source files, enabling the customer to add their own extensions including software support via SDK APIs. Also a driver package was designed to be integrated in the customer’s own development environment.

Key Technologies

Results and Added Value


Re-used IP from other SONET/SDH products. Mature and field proven functionality, hence efficient and relatively short development cycle with high quality.


Delivered Printed Circuit Board First-Time-Right.


Development in close collaboration, enabling incorporation of changed priorities.​


3D simulations to ensure best possible signal quality. Flow simulations for thermal analysis.

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